bush warned about the soft bigotry and reynold regan said it's eroded by a rising tide of mediocrity. a global exam given to 15-year-old s showing them average in science and reading and below average in math. there were little or no gains in the last decade while other countries raced ahead of the united states. here to talk about it amanda riply author of the smartest kids in the world and how they got that way. this latest study is one of a continuing string of stud sdis that shows the u.s. educational system lacking behind the rest of the world. it doesn't seem like the u.s. is getting worse, just the rest of the world getting better. >> that's exactly right, anderson. this is very revealing. it shows we're walking around in one of those people movers going nowhere, the rest of the world, very many countries are on escalators. what this shows is it's not so much we've been doing anything differently but in a context everybody is playing to win, we are falling behind and we look at the difference between us and countries like south korea and singapore and it's widening and the gap